CVE-2005-4454

LiveJournal cleanhtml.pl < 1.129 - Cross-Site Scripting via Backslash Bypass in CSS Style Property

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2005-4454. PoCs published by Andrew Farmer.

AI-analyzed exploit summary This exploit demonstrates an HTML injection vulnerability in LiveJournal due to improper input sanitization. The provided example uses a crafted `<span>` tag with a malicious `style` attribute to execute arbitrary JavaScript in the context of the affected site.

Description

Validate-before-filter vulnerability in cleanhtml.pl 1.129 in LiveJournal CVS before Dec 7 2005, when the cleancss option is enabled, allows remote attackers to conduct cross-site scripting (XSS) attacks via a "\" (backslash) within a "javascript" scheme in a style property (such as "javas\cript"), which bypasses the "javascript" check before the "\" is stripped and then rendered in web browsers that allow scripting in style sheets.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Andrew Farmer · textwebappscgi
https://www.exploit-db.com/exploits/26917

This exploit demonstrates an HTML injection vulnerability in LiveJournal due to improper input sanitization. The provided example uses a crafted `<span>` tag with a malicious `style` attribute to execute arbitrary JavaScript in the context of the affected site.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: LiveJournal (version not specified)
No auth needed
Prerequisites: Access to a vulnerable LiveJournal instance · Ability to inject user-supplied input into dynamically generated content
MITRE ATT&CK
mistral-large-3 · analyzed Feb 16, 2026 Full analysis →

References (7)

Core 7
Core References
Patch, Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/18157
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://www.osvdb.org/21896
Mailing List mailing-list x_refsource_fulldisc
http://marc.info/?l=full-disclosure&m=113504421421972&w=2
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/23839
Third Party Advisory mailing-list x_refsource_fulldisc
http://archives.neohapsis.com/archives/fulldisclosure/2005-12/1000.html
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/15990

Scores

EPSS 0.0212
EPSS Percentile 80.0%

Details

Status published
Products (1)
livejournal/livejournal
Published Dec 21, 2005
Tracked Since Feb 18, 2026